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Gar s-22 microfinish comparator
GAR S-22 Microfinish Roughness Comparator
Item is in great shape with case and paperwork.
22 replicated machined surface finish specimens with examples of six different machining processes:
lapped, ground, Blanchard ground, shape-turned, milled and profiled; ranging in values from 2 to 500 microinches.
The GAR #S-22 Microfinish Surface Roughness Comparator provides industry with established flat surface roughness specimens for visual and tactual comparison. It is used in specifying and controlling surface roughness when a product having the appearance of typically machined surfaces required.
